Cardiff, United Kingdom 14-Day Forecast
63°
Sunny right now
Today: high 69°, low 49°
Updated 14 min ago
Cardiff weather for the next 14 days
Friday, August 7
Sunny High 71° Low 49°Precipitation
4%
· 0.0 in
Max wind
14 mph
Humidity
61%
UV index
6 - Moderate
Sunrise / sunset
05:46 AM / 08:50 PM
Saturday, August 8
Sunny High 76° Low 52°Precipitation
4%
· 0.0 in
Max wind
7 mph
Humidity
57%
UV index
6 - High
Sunrise / sunset
05:47 AM / 08:49 PM
Sunday, August 9
Sunny High 81° Low 58°Precipitation
2%
· 0.0 in
Max wind
13 mph
Humidity
44%
UV index
6 - High
Sunrise / sunset
05:49 AM / 08:47 PM
Monday, August 10
Sunny High 78° Low 58°Precipitation
4%
· 0.0 in
Max wind
13 mph
Humidity
64%
UV index
7 - High
Sunrise / sunset
05:50 AM / 08:45 PM
Tuesday, August 11
Sunny High 83° Low 58°Precipitation
4%
· 0.0 in
Max wind
10 mph
Humidity
61%
UV index
7 - High
Sunrise / sunset
05:52 AM / 08:43 PM
Wednesday, August 12
Sunny High 82° Low 60°Precipitation
3%
· 0.0 in
Max wind
15 mph
Humidity
56%
UV index
7 - High
Sunrise / sunset
05:53 AM / 08:41 PM
Thursday, August 13
Sunny High 76° Low 59°Precipitation
6%
· 0.0 in
Max wind
17 mph
Humidity
70%
UV index
6 - High
Sunrise / sunset
05:55 AM / 08:39 PM
Friday, August 14
Sunny High 78° Low 57°Precipitation
3%
· 0.0 in
Max wind
12 mph
Humidity
57%
UV index
7 - High
Sunrise / sunset
05:57 AM / 08:37 PM
Saturday, August 15
Sunny High 75° Low 60°Precipitation
59%
· 0.05 in
Max wind
13 mph
Humidity
80%
UV index
5 - Moderate
Sunrise / sunset
05:58 AM / 08:35 PM
Sunday, August 16
Sunny High 75° Low 55°Precipitation
5%
· 0.0 in
Max wind
12 mph
Humidity
65%
UV index
6 - High
Sunrise / sunset
06:00 AM / 08:33 PM
Monday, August 17
Sunny High 72° Low 51°Precipitation
4%
· 0.0 in
Max wind
14 mph
Humidity
58%
UV index
6 - High
Sunrise / sunset
06:01 AM / 08:31 PM
Tuesday, August 18
Sunny High 76° Low 53°Precipitation
2%
· 0.0 in
Max wind
11 mph
Humidity
53%
UV index
6 - High
Sunrise / sunset
06:03 AM / 08:29 PM
Wednesday, August 19
Sunny High 69° Low 55°Precipitation
57%
· 0.06 in
Max wind
13 mph
Humidity
81%
UV index
6 - High
Sunrise / sunset
06:05 AM / 08:27 PM
Cardiff 14-day outlook: the story
The warmest day of Cardiff's 14-day outlook is Tuesday, August 11 with a high near 83°F (28°C); the coolest night comes Friday, August 7, dipping to 49°F (10°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 77°F (25°C), about 9°F (5°C) above the typical August high of 68°F (20°C).
Precipitation is most likely on Saturday 15, Wednesday 19; the wettest day looks like Wednesday, August 19 with about 0.06 in (1.5 mm) expected. For the weekend, expect Saturday 76°F (24°C) and sunny / Sunday 81°F (27°C) and sunny.
For typical conditions month by month, see the Cardiff climate & average temperatures guide.
Cardiff forecast questions
Will it rain in Cardiff this week?
The forecast currently shows meaningful precipitation chances on 2 of the next 14 days, peaking around Wednesday, August 19.
What will be the warmest day in Cardiff over the next 14 days?
Tuesday, August 11, with a forecast high near 83°F (28°C).
How accurate is a 14-day forecast for Cardiff?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Cardiff by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 46° | 37° | 15 | 4.0 in | 4.1 h/day | 87% |
| February | 48° | 38° | 14 | 4.2 in | 5.3 h/day | 84% |
| March | 50° | 39° | 16 | 4.2 in | 6.9 h/day | 81% |
| April | 55° | 41° | 11 | 2.6 in | 9.8 h/day | 76% |
| May | 61° | 47° | 12 | 3.3 in | 11.1 h/day | 77% |
| June | 66° | 53° | 12 | 2.6 in | 11.7 h/day | 76% |
| July | 69° | 56° | 15 | 3.4 in | 11.4 h/day | 77% |
| August | 68° | 56° | 15 | 4.0 in | 10.0 h/day | 80% |
| September | 64° | 53° | 13 | 4.1 in | 8.5 h/day | 82% |
| October | 58° | 48° | 16 | 5.4 in | 6.3 h/day | 84% |
| November | 51° | 43° | 15 | 4.4 in | 4.4 h/day | 87% |
| December | 49° | 41° | 17 | 5.6 in | 3.3 h/day | 89% |
14-day forecasts nearby